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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
in what world
Grammar usage guide and real-world examplesUSAGE SUMMARY
"in what world" is a perfectly valid and usable phrase in written English.
It is typically used as an informal way of expressing disbelief or incredulity, such as "In what world would that have been considered acceptable behaviour?".
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
in what regard
on what level
for what reason
under what conditions
what led to that happening
on what reason
in what setting
in what regards
under what circumstance
on what gear
what brought that about
what was the rationale
in what explains
under which cases
under what restrictions
on what anniversary
in what settings
under what scenarios
in what situation
when is it appropriate
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
54 human-written examples
In what world is that reasonable?
News & Media
"I am not interested in what World Vision says".
News & Media
In what world could she function at all?
News & Media
In what world could the police have done anything else?
News & Media
In what world does Simone Finn – who? – deserve a peerage?
News & Media
In what world, if any, was Hurston ever at home?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
In what possible world are Tang, Moss and Fergie besties?
News & Media
In what news world is that not a bombshell?
News & Media
In Depth: What The World Drinks.
News & Media
Like.. what in the world, right?! WHAT IS MY LIFE.
News & Media
People like to find out what really happens in the world, what is the truth about".
News & Media
Expert writing Tips
Best practice
Use "in what world" to express disbelief or challenge assumptions. It's effective for highlighting the absurdity of a statement or situation.
Common error
Avoid using "in what world" in formal or technical writing where a direct, objective tone is required. Opt for more neutral phrasing to maintain credibility.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in what world" functions as an idiomatic expression used to express disbelief, skepticism, or incredulity. Ludwig AI confirms its usage.
Frequent in
News & Media
85%
Academia
10%
Wiki
5%
Less common in
Science
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "in what world" is a common idiom used to express disbelief or challenge the validity of a statement or situation. Ludwig AI indicates that it is grammatically sound and frequently used, predominantly in news and media outlets, and to a lesser extent, in academic contexts. While versatile in informal settings, it's important to consider the audience and purpose before using it in formal or professional writing, where a more objective tone is often preferred. Alternatives like "under what circumstances" or "how could that be" may offer a more nuanced approach to expressing skepticism.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
what reality is that
Similar to the original phrase but emphasizes questioning the specific reality being referred to.
is that even possible
Directly questions the feasibility or possibility of a situation.
how could that be
Expresses surprise and disbelief, directly questioning the possibility of something.
how can that be true
Challenges the veracity or accuracy of a statement.
under what circumstances
Focuses on the specific conditions that would make something possible or acceptable, rather than questioning the entire premise.
by what logic
Challenges the reasoning or justification behind a statement or action.
where is the sense in that
Questions the rationality or reasonableness of something.
can you imagine
Invites the listener to consider the unlikelihood or absurdity of a situation.
what is the basis for that
Asks for the underlying reason or foundation for a claim or action.
how is that justifiable
Questions the ethical or moral basis of something.
FAQs
How can I use "in what world" in a sentence?
You can use "in what world" to express disbelief or challenge a premise, such as "In what world is it acceptable to treat others with disrespect?"
What's a less confrontational alternative to "in what world"?
Consider using phrases like "under what circumstances" or "how could that be" to soften the tone while still expressing doubt.
Is "in what world" appropriate for formal writing?
While grammatically correct, "in what world" is generally considered informal. For formal writing, opt for more objective and neutral language.
What's the difference between "in what world" and "what reality is that"?
"In what world" broadly questions the plausibility of a situation, while "what reality is that" specifically challenges the perceived reality being presented.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested